5278668725 has 24 divisors (see below), whose sum is σ = 7560641088. Its totient is φ = 3613203200.

The previous prime is 5278668709. The next prime is 5278668727.

It is a happy number.

5278668725 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5278668725 - 2⁴ = 5278668709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278668727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 559889 + ... + 569238.

It is an arithmetic number, because the mean of its divisors is an integer number (315026712).

Almost surely, 2^5278668725 is an apocalyptic number.

5278668725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5278668725 is a deficient number, since it is larger than the sum of its proper divisors (2281972363).

5278668725 is a wasteful number, since it uses less digits than its factorization.

5278668725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129165 (or 1129160 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 56.

The square root of 5278668725 is about 72654.4473862406. The cubic root of 5278668725 is about 1741.1711766587.

The spelling of 5278668725 in words is "five billion, two hundred seventy-eight million, six hundred sixty-eight thousand, seven hundred twenty-five".